6731001 has 6 divisors (see below), whose sum is σ = 9722570. Its totient is φ = 4487328.

The previous prime is 6730993. The next prime is 6731009. The reversal of 6731001 is 1001376.

It is an interprime number because it is at equal distance from previous prime (6730993) and next prime (6731009).

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 3326976 = 1845^2 + 1824^2 .

It is not a de Polignac number, because 6731001 - 2³ = 6730993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6731009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373936 + ... + 373953.

Almost surely, 2^6731001 is an apocalyptic number.

It is an amenable number.

6731001 is a deficient number, since it is larger than the sum of its proper divisors (2991569).

6731001 is a wasteful number, since it uses less digits than its factorization.

6731001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747895 (or 747892 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 6731001 is about 2594.4172756132. The cubic root of 6731001 is about 188.8106779756.

Adding to 6731001 its reverse (1001376), we get a palindrome (7732377).

The spelling of 6731001 in words is "six million, seven hundred thirty-one thousand, one".